deactivate

deactivate
/dee ak"teuh vayt'/, v., deactivated, deactivating.
v.t.
1. to cause to be inactive; remove the effectiveness of.
2. to demobilize or disband (a military unit).
3. to render (a bomb, shell, or the like) inoperative, esp. by disconnecting, removing, or otherwise interfering with the action of the fuze.
4. Chem. to render (a chemical, enzyme, catalyst, etc.) inactive.
v.i.
5. Physical Chem. to lose radioactivity.
[1900-05; DE- + ACTIVATE]

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Universalium. 2010.

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Look at other dictionaries:

  • deactivate — de*ac ti*vate, v. t. 1. To make inactive; to render ineffective; as, to deactivate a bomb; to deactivate a machine; to deactivate the alarm. Note: The deactivation of a machine or device is usually a reversible process; switching off an… …   The Collaborative International Dictionary of English

  • deactivate — index counteract, disable, disarm (divest of arms), disband, disorganize, neutralize, palliate (abate) …   Law dictionary

  • deactivate — 1904, from DE (Cf. de ) + ACTIVATE (Cf. activate). Related: Deactivated; deactivating; deactivation …   Etymology dictionary

  • deactivate — [v] decommission demilitarize, disband, make inactive, shut down, shut off; concepts 25,121,188 …   New thesaurus

  • deactivate — ► VERB ▪ make (equipment or a virus) inactive by disconnecting or destroying it. DERIVATIVES deactivation noun deactivator noun …   English terms dictionary

  • deactivate — [dē ak′tə vāt΄] vt. deactivated, deactivating 1. to make (an explosive, chemical, or mechanism) inactive or inoperative 2. Mil. to place (a military unit) on a nonactive status; demobilize deactivation n …   English World dictionary

  • deactivate — transitive verb Date: 1926 to make inactive or ineffective < deactivate a bomb > < deactivate a chemical compound > • deactivation noun • deactivator noun …   New Collegiate Dictionary

  • deactivate — UK [diːˈæktɪveɪt] / US [dɪˈæktɪˌveɪt] verb [transitive] Word forms deactivate : present tense I/you/we/they deactivate he/she/it deactivates present participle deactivating past tense deactivated past participle deactivated to prevent something… …   English dictionary

  • deactivate — de·ac·ti·vate ( )dē ak tə .vāt vt, vat·ed; vat·ing 1) to make inactive or ineffective 2) to deprive of chemical activity <deactivate an enzyme> de·ac·ti·va·tion .ak tə vā shən n …   Medical dictionary

  • deactivate — de|ac|ti|vate [di:ˈæktıveıt] v [T] to switch something, especially a piece of equipment, off or to stop it from being used any more ≠ ↑activate ▪ You need to type in a code number to deactivate the alarm …   Dictionary of contemporary English

  • deactivate — de•ac•ti•vate [[t]diˈæk təˌveɪt[/t]] v. vat•ed, vat•ing 1) to make inactive: to deactivate a chemical[/ex] 2) mil to demobilize or disband (a military unit) 3) mil to render (a bomb or shell) inoperative 4) chem. to lose radioactivity • Etymology …   From formal English to slang

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